News Headlines
Current conditions at
Hyannis, Barnstable Municipal-Boardman Airport (KHYA)
Lat: 41.67°NLon: 70.27°WElev: 49ft.
Fog/Mist
48°F
9°C
| Humidity | 100% |
| Wind Speed | SW 15 mph |
| Barometer | 29.53 in (1000.1 mb) |
| Dewpoint | 48°F (9°C) |
| Visibility | 3.00 mi |
| Wind Chill | 42°F (6°C) |
| Last update | 12 Mar 8:56 am EDT |
Extended Forecast for
South Dennis MA
Today

High: 49 °F⇓
Rain
Tonight
Low: 28 °F
Rain/Snow
Likely then
Partly CloudyFriday

High: 40 °F
Increasing
CloudsFriday Night
Low: 33 °F
Mostly Cloudy
then Slight
Chance RainSaturday

High: 45 °F
Sunny
Saturday Night

Low: 29 °F
Partly Cloudy
Sunday

High: 43 °F
Mostly Cloudy
Sunday Night
Low: 35 °F
Mostly Cloudy
then Chance
RainMonday

High: 53 °F
Rain
Detailed Forecast
Today
Rain, mainly after 11am. Temperature rising to near 49 by 11am, then falling to around 38 during the remainder of the day. Southwest wind 10 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain likely, possibly mixed with snow before 7pm, then a chance of snow between 7pm and 11pm. Cloudy during the early evening, then gradual clearing, with a low around 28. Northwest wind 11 to 15 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday
Increasing clouds, with a high near 40. Northwest wind 5 to 9 mph becoming light and variable.
Friday Night
A slight chance of rain after 2am. Mostly cloudy, with a low around 33. South wind 7 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 45. West wind 10 to 16 mph, with gusts as high as 34 mph.
Saturday Night
Partly cloudy, with a low around 29. Northwest wind 5 to 9 mph, with gusts as high as 23 mph.
Sunday
Mostly cloudy, with a high near 43. Light and variable wind becoming east around 6 mph in the afternoon.
Sunday Night
A chance of rain after 1am. Cloudy, with a low around 35. Southeast wind 8 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Monday
Rain. High near 53. South wind 15 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 90%.
Monday Night
Rain. Low around 34. South wind 14 to 16 mph, with gusts as high as 36 mph. Chance of precipitation is 80%.
Tuesday
A chance of rain. Partly sunny, with a high near 42. West wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 24. Northwest wind around 8 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 36. West wind around 7 mph.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
South Dennis MA
41.69°N 70.16°W (Elev. 7 ft)
41.69°N 70.16°W (Elev. 7 ft)
6:38 am EDT Mar 12, 2026
9am EDT Mar 12, 2026-6pm EDT Mar 18, 2026


